978173840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{2383}}^1$

素因数の和:3136

約数の個数: 80

約数和(自身を含む): 2603785728

約数和(自身を除く): 1625611888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 733, 1466, 2383, 2932, 3665, 4766, 5131, 5864, 7330, 9532, 10262, 11728, 11915, 14660, 16681, 19064, 20524, 23830, 25655, 29320, 33362, 38128, 41048, 47660, 51310, 58640, 66724, 82096, 83405, 95320, 102620, 133448, 166810, 190640, 205240, 266896, 333620, 410480, 667240, 1334480, 1746739, 3493478, 6986956, 8733695, 12227173, 13973912, 17467390, 24454346, 27947824, 34934780, 48908692, 61135865, 69869560, 97817384, 122271730, 139739120, 195634768, 244543460, 489086920, 978173840]

約数ペア:

[(1, 978173840), (2, 489086920), (4, 244543460), (5, 195634768), (7, 139739120), (8, 122271730), (10, 97817384), (14, 69869560), (16, 61135865), (20, 48908692), (28, 34934780), (35, 27947824), (40, 24454346), (56, 17467390), (70, 13973912), (80, 12227173), (112, 8733695), (140, 6986956), (280, 3493478), (560, 1746739), (733, 1334480), (1466, 667240), (2383, 410480), (2932, 333620), (3665, 266896), (4766, 205240), (5131, 190640), (5864, 166810), (7330, 133448), (9532, 102620), (10262, 95320), (11728, 83405), (11915, 82096), (14660, 66724), (16681, 58640), (19064, 51310), (20524, 47660), (23830, 41048), (25655, 38128), (29320, 33362)]